diff --git a/src/workflow/base/ArcanistBaseWorkflow.php b/src/workflow/base/ArcanistBaseWorkflow.php
index 5370ab2a..b75af0f1 100644
--- a/src/workflow/base/ArcanistBaseWorkflow.php
+++ b/src/workflow/base/ArcanistBaseWorkflow.php
@@ -213,7 +213,7 @@ class ArcanistBaseWorkflow {
         'conduit.connect',
         array(
           'client'              => 'arc',
-          'clientVersion'       => 2,
+          'clientVersion'       => 3,
           'clientDescription'   => php_uname('n').':'.$description,
           'user'                => $user,
           'certificate'         => $certificate,